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nutrition

TermDefinition
almentary canal the whole passage along which food passes through the body from mouth to anus. It includes the esophagus, stomach, and intestines.
anus the opening at the end of the alimentary canal through which solid waste matter leaves the body.
appendicitis An inflammation of the appendix.
appendix is a blind-ended tube connected to the cecum, from which it develops in the embryo.
bile A bitter, alkaline, brownish-yellow or greenish-yellow fluid that is secreted by the liver
chemical digestion he process in the alimentary canal by which food is broken up physically,
chyme a thick semifluid mass of partially digested food and digestive secretions that is formed in the stomach and intestine during digestion
colon The longest part of the large intestine, extending from the cecum to the rectum.
constipation is a condition of the digestive system where an individual has hard feces that are difficult to expel.
diarrhea An abnormally frequent discharge of a loose, watery stool.
esophagus The passage between the pharynx and the stomach.
feces also spelled faeces, also called excrement, solid bodily waste discharged from the large intestine through the anus during defecation.
gall bladder A small, pear-shaped, muscular, hollow organ responsible for storing bile, and for creating insulin in the body
gastric juice The colorless, watery, acidic digestive fluid that is secreted by various glands in the mucous membrane of the stomach
hydrochloric acid Solutions of hydrogen chloride gas in water.
large intestine he more terminal division of the vertebrate intestine that is wider and shorter than the small intestine,
lipases A water-soluble enzyme catalyzing hydrolysis of lipids, thereby breaking down fats into glycerol and free fatty acids. Supplement
liver is the large, reddish-brown glandular organ located in the right upper quadrant of the abdominal cavity.
mechanical digestion It needs to be changed into small, soluble molecules. Mechanical digestion is the physical process of preparing the food for chemical digestion.
mucus The viscous, slippery substance that consists chiefly of mucin, water, cells, and inorganic salts and is secreted as a protective lubricant coating by cells and glands of the mucous membranes.
oral cavity are responsible for the first step of digestion
pancreas A long, irregularly shaped gland in vertebrate animals that is located behind the stomach and is part of the digestive system.
pepsin A proteolytic enzyme in the gastric juice of birds, reptiles, fish, and mammals
peristalsis is characterized by alternate contraction and relaxation, which pushes ingested food through the digestive tract towards its release at the anus.
ptyalin an amylase found in the saliva of many animals that converts starch into sugar.
rectum The last portion of the large intestine (colon) that communicates with the sigmoid colon above and the anus below.
rennin an enzyme secreted into the stomach of unweaned mammals, and in some lower animals and plants, causing the curdling of milk.
saliva watery liquid secreted into the mouth by glands, providing lubrication for chewing and swallowing, and aiding digestion.
salivary glands any of various glands that discharge a fluid secretion and especially saliva into the mouth cavity and that in humans
small intestine the part of the intestine that runs between the stomach and the large intestine; the duodenum, jejunum, and ileum collectively.
stomach he most dilated portion of the digestive tube, situated between the oesophagus and the beginning of the small intestine
ulcer an ulcer in the wall of the stomach or duodenum resulting from the digestive action of the gastric juice on the mucous membrane
villi A minute projection arising from a mucous membrane, especially: a. One of the numerous vascular projections of the small intestine.
Created by: 1012198